@font-face { font-family: "Instrument Sans"; src: url("fonts/instrument-sans.woff2") format("woff2");
  font-weight: 400 700; font-style: normal; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/jetbrains-mono.woff2") format("woff2");
  font-weight: 400 500; font-style: normal; font-display: swap; }
/* Mise en page : bandeau outremer de la marque (le S en grand), puis colonnes sobres sur fond
   légèrement bleuté ; les chiffres de performance réels servent de preuve, pas de décor. */
:root {
  --bg: #f6f7fc;
  --surface: #ffffff;
  --fg: #151838;
  --muted: #555b7e;
  --line: #dfe2f2;
  --accent: #3a41c9;
  --accent-soft: #e0e3ff;
  --band: #1e2380;
  --band-2: #2f35b0;
  --band-fg: #ffffff;
  --band-muted: #c9cdfa;
  --code-bg: #10133a;
  --code-fg: #e0e3ff;
  --font-display: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --step-0: 1rem;
  --step-1: 1.2rem;
  --step-2: 1.6rem;
  --step-3: clamp(1.9rem, 4vw, 2.6rem);
  --step-4: clamp(2.4rem, 7vw, 4.4rem);
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c0e26; --surface: #141838; --fg: #eceeff; --muted: #a3a8d4; --line: #262b5c;
    --accent: #9aa2ff; --accent-soft: #23296b; --band: #161a5e; --band-2: #262c96;
    --band-fg: #ffffff; --band-muted: #c9cdfa; --code-bg: #070920; --code-fg: #e0e3ff;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0c0e26; --surface: #141838; --fg: #eceeff; --muted: #a3a8d4; --line: #262b5c;
  --accent: #9aa2ff; --accent-soft: #23296b; --band: #161a5e; --band-2: #262c96;
  --band-fg: #ffffff; --band-muted: #c9cdfa; --code-bg: #070920; --code-fg: #e0e3ff;
  color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  background: var(--bg); color: var(--fg);
  font-family: var(--font-body); font-size: var(--step-0); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.1; text-wrap: balance; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
.wrap {
  max-width: 1120px; margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.eyebrow { font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); }

/* Bandeau */
.band { background: linear-gradient(160deg, var(--band) 0%, var(--band-2) 100%); color: var(--band-fg); position: relative; overflow: hidden; }
.band .mark-bg { position: absolute; right: -6%; top: 50%; width: min(620px, 70vw); transform: translateY(-50%); color: var(--band-fg); opacity: 0.08; pointer-events: none; }
nav.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 20px; position: relative; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--band-fg); text-decoration: none; }
.brand svg { width: 30px; height: 30px; }
.brand b { font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; }
.brand span { font-size: 0.85rem; font-weight: 500; color: var(--band-muted); }
.top-links { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.top-links a { color: var(--band-muted); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.top-links a:hover { color: var(--band-fg); }
.hero { position: relative; padding-block: 56px 72px; display: grid; gap: 28px; max-width: 760px; }
.hero h1 { font-size: var(--step-4); font-weight: 700; }
.hero .lead { font-size: var(--step-1); color: var(--band-muted); max-width: 62ch; }
.hero .lead strong { color: var(--band-fg); font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: 0.82rem; font-weight: 500; padding: 4px 12px; border-radius: 999px; border: 1px solid rgb(255 255 255 / 0.25); color: var(--band-fg); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 12px 20px; border-radius: 10px; font-weight: 600; text-decoration: none; font-size: 1rem; border: 0; cursor: pointer; font-family: inherit; }
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-primary { background: var(--band-fg); color: var(--band); }
.btn-primary:hover { background: var(--accent-soft); }
.btn-ghost { color: var(--band-fg); border: 1px solid rgb(255 255 255 / 0.35); background: transparent; }
.btn-ghost:hover { background: rgb(255 255 255 / 0.08); }
.install { display: flex; align-items: center; gap: 12px; background: var(--code-bg); color: var(--code-fg); border-radius: 12px; padding: 12px 12px 12px 16px; max-width: 100%; }
.install code { font-family: var(--font-mono); font-size: 0.85rem; overflow-x: auto; white-space: nowrap; flex: 1; min-width: 0; padding-block: 4px; }
.install code::before { content: "$ "; color: var(--band-muted); opacity: 0.7; }
.copy { background: rgb(255 255 255 / 0.1); color: var(--code-fg); border: 0; border-radius: 8px; padding: 8px 12px; font: 600 0.82rem var(--font-body); cursor: pointer; flex: none; }
.copy:hover { background: rgb(255 255 255 / 0.18); }

/* Sections */
section { padding-block: 72px; }
section + section { border-top: 1px solid var(--line); }
.head { display: grid; gap: 12px; max-width: 680px; margin-bottom: 36px; }
.head h2 { font-size: var(--step-3); }
.head p { color: var(--muted); font-size: var(--step-1); }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.feature { background: var(--surface); padding: 26px 24px; display: grid; gap: 8px; align-content: start; min-width: 0; }
.feature h3 { font-size: var(--step-1); font-weight: 600; letter-spacing: -0.01em; }
.feature p { color: var(--muted); font-size: 0.97rem; }
.feature .k { font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent); }

.perf { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 40px; align-items: start; }
.perf .big { font-family: var(--font-display); font-size: clamp(3.4rem, 9vw, 5.6rem); font-weight: 700; letter-spacing: -0.04em; line-height: 1; color: var(--accent); font-variant-numeric: tabular-nums; }
.perf .big small { font-size: 0.4em; letter-spacing: 0; }
.perf .note { color: var(--muted); margin-top: 12px; max-width: 44ch; }
.table-box { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; min-width: 460px; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line); }
tr:last-child td { border-bottom: 0; }
th { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
td.num strong { color: var(--accent); }
.source { font-size: 0.82rem; color: var(--muted); margin-top: 12px; }
.source code { font-family: var(--font-mono); font-size: 0.8rem; }

.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 20px; counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: step; display: grid; gap: 8px; align-content: start; padding-top: 18px; border-top: 2px solid var(--accent); min-width: 0; }
.steps li::before { content: counter(step); font-family: var(--font-mono); font-size: 0.82rem; color: var(--accent); font-weight: 500; }
.steps h3 { font-size: var(--step-1); font-weight: 600; letter-spacing: -0.01em; }
.steps p { color: var(--muted); font-size: 0.97rem; }

.redorzo { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.redorzo .card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: grid; gap: 14px; }
.redorzo ul { margin: 0; padding-left: 1.1em; display: grid; gap: 8px; color: var(--muted); }
.redorzo ul strong { color: var(--fg); font-weight: 600; }
.contact { font-family: var(--font-mono); font-size: 0.92rem; user-select: all; color: var(--fg); }
.promise { font-size: var(--step-2); font-family: var(--font-display); font-weight: 600; letter-spacing: -0.015em; line-height: 1.25; text-wrap: balance; }
.promise em { font-style: normal; color: var(--accent); }

footer { border-top: 1px solid var(--line); padding-block: 32px; color: var(--muted); font-size: 0.9rem; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; align-items: center; }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
footer a { color: var(--muted); }
footer .by { display: flex; align-items: center; gap: 8px; color: var(--fg); font-weight: 600; }
footer .by svg { width: 20px; height: 20px; color: var(--accent); }

@media (max-width: 760px) {
  .perf, .redorzo { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .top-links .hide-sm { display: none; }
  .hero { padding-block: 32px 48px; }
  section { padding-block: 52px; }
}
@media (prefers-reduced-motion: no-preference) {
  .btn, .copy { transition: background-color .15s ease; }
}

html { -webkit-text-size-adjust: 100%; }
body { margin: 0; }
img, svg { max-width: 100%; }
.symboles { position: absolute; width: 0; height: 0; overflow: hidden; }
.head-seule { margin-bottom: 0; }